US3932517AExpiredUtility

Isopropyl-(3-oxopentenyl)-cyclopentenes

40
Assignee: GIVAUDAN CORPPriority: Nov 15, 1972Filed: Nov 7, 1973Granted: Jan 13, 1976
Est. expiryNov 15, 1992(expired)· nominal 20-yr term from priority
Inventors:Peter Naegeli
C07C 45/292C11B 9/003C07C 49/21
40
PatentIndex Score
1
Cited by
3
References
5
Claims

Abstract

Novel cyclopentene derivatives, a process for making same and odorant compositions containing the novel compounds are disclosed.

Claims

exact text as granted — not AI-modified
What we claim is: 
     
       1. Cyclopentene derivatives of the general formula ##SPC8## wherein R 1  and R 2  each independently represent a hydrogen atom or a lower alkyl group.   
     
     
       2. 3-Isopropyl-1-methyl-2-(3-oxo-4-pentenyl)-1-cyclopentene. 
     
     
       3. 3-Isopropyl-1-methyl-2-(4-methyl-3-oxo-4-pentenyl)-1-cyclopentene. 
     
     
       4. 3-Isopropyl-1-methyl-2-(2-methyl-3-oxo-4-pentenyl)-1-cyclopentene. 
     
     
       5. 3-Isopropyl-1-methyl-2-(2,4-dimethyl-3-oxo-4-pentenyl)-1-cyclopentene.

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